Crystal Fox missing for 10 days

East Alton, Ill (KSDK) - An East Alton missing woman hasn't been seen by her family for 10 days.

Crystal Fox was last seen leaving her brother's house in the 100 block of Hodge Street at 1 a.m. on July 14, according to the Madison County Sheriff's Office.

Fox left her vehicle at a friend's house after it ran out of gas on July 13. Investigators recovered it on July 18.

The Sheriff's Office said it has learned that Fox has gone missing in the past. They were told she had been acting out of character recently and it as unusual for her to be gone so long without notifying family.

Anyone with information about Crystal Fox's whereabouts is asked to contact the Madison County Sheriff's Office anonymous tip-line at 618-296-3000.